是否可以通過粘貼 lineEdit 來縮短 PyQt5 中的代碼？

Question

我有 7 個lineEdit塊，我希望textChanged function 在它們中的任何一個更改時觸發，我決定采用簡單的方法並按順序寫出它們，但現在我想縮短我的代碼。

我想短路這個

        self.lineEdit_2.textChanged.connect(self.textChanged)
        self.lineEdit_3.textChanged.connect(self.textChanged)
        self.lineEdit_4.textChanged.connect(self.textChanged)
        self.lineEdit_5.textChanged.connect(self.textChanged)
        self.lineEdit_6.textChanged.connect(self.textChanged)
        self.lineEdit_7.textChanged.connect(self.textChanged)
        self.lineEdit_8.textChanged.connect(self.textChanged)

像這樣

        for n in range(2, 8):  #check changes on the all lineEdit units
            self.lineEdit_n.textChanged.connect(self.textChanged)

或者像這樣

        for n in range(2, 8):
            self.lineEdit_n.textChanged.connect(self.textChanged)
            getattr(self, 'lineEdit_n%' % n).textChanged.connect(self.textChanged)

但它不起作用 感謝您的關注

Answer 1

# Check changes on all lineEdit units
for n in range(2, 9):
    getattr(self, f"lineEdit_{n}").textChanged.connect(self.textChanged)